We are working with a client who is a global leader in consulting, technology services, and digital transformation, committed to delivering positive change through technology and human collaboration. They are seeking an experienced SAP S/4HANA Coupa Integration Architect. You will need to evidence experience of delivering global integrations between Coupa and SAP S/4HANA for complex organisations, from design through cutover and Hypercare. You will have hands-on proficiency building and managing APIs (REST/JSON, OData), IDocs, and BAPIs, including schema design, error handling, and performance tuning. You can demonstrate strong knowledge of Coupa configuration in the context of integration (supplier and ERP integrations, master data sync, COA/segments, approvals, tax, receiving, invoicing, and payment status updates). You will have strong knowledge of SAP S/4HANA Procurement/MM and FI-AP objects and processes (vendors/business partners, purchasing orgs, POs, service entry sheets, GRs, invoices, GL/CC/WBS, tax determination). Experienced with integration middleware or platforms (e.g., SAP Integration Suite/CPI, MuleSoft, Dell Boomi, Azure Integration Services), including security, monitoring, and CI/CD. You will possess excellent stakeholder management and communication skills with Business and IT; ability to articulate complex integration concepts to cross-functional audiences. Comfortable with ambiguity; agile and outcomes-focused mindset; experience working with upstream/downstream products (e.g., MDG, ServiceNow) and third-party providers. Familiarity with project tools and ALM (e.g., JIRA, Azure DevOps, Smartsheet, SolMan) and with test automation for interfaces. Understanding of both Indirect and Direct Procurement process flows and data impacts across P2P and AP. You will be self-motivated, able to prioritise and meet challenging deadlines; credible, resilient, and comfortable challenging the status quo to drive the best integration outcomes. You will be experienced with API Engineering (REST/OData), specifications using OpenAPI/Swagger, Postman-based testing. Familiar with SAP integration artefacts (IDoc types for vendor, PO, GR, invoice; BAPI/RFC; ALE; OData services). Coupa integration configuration (master data imports/exports, suppliers, COA, transactional flows, SFTP/API, file formats). Security (OAuth2, mTLS, certificates, key management), and data protection. Monitoring/Observability (CPI/MuleSoft dashboards, Splunk/App Insights, alerting, trace correlation). CI/CD for integrations (Git, branching/versioning, automated deployment). Be able to plan and manage large integration work efforts, dependencies, and environment strategy across multiple waves. Please be clear that only candidates that meet the above criteria with the right to work and that are resident in the UK will be considered. No sponsorship is available. This role will allow for remote working here in the UK, but you must be able to attend key client sites in the UK and overseas when needed. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at hays.co.uk